A1.2.1.2.1 Create, interpret, and/or use the equation, graph, or table of a linear function.
A pizza restaurant charges for pizzas and adds a delivery fee. The cost (c), in dollars, to have any number of pizzas (p) delivered to a home is described by the function c = 8p + 3. Which statement is true? A.The cost of 8 pizzas is $11. B. The cost of 3 pizzas is $14. C. Each pizza costs $8 and the delivery fee is $3. D. Each pizza costs $3 and the delivery fee is $8. Answer: C
A1.2.1.2.2 Translate from one representation of a linear function to another (i.e., graph, table, and equation).
The table below shows values of y as a function of x. Which linear equation best describes the relationship between x and y? A.y = 2.5x + 5 B. y = 3.75x + 2.5 C. y = 4x + 1 D. y = 5x Answer: B
A1.2.1.2 - Interpret and/or use the linear functions and their equations, graphs, or tables.
Key Vocabulary: Linear Function, Equation
A1.2.1.2.1 Create, interpret, and/or use the equation, graph, or table of a linear function.
A pizza restaurant charges for pizzas and adds a delivery fee. The cost (c), in dollars, to have any number of pizzas (p) delivered to a home is described by the function c = 8p + 3. Which statement is true?A.The cost of 8 pizzas is $11.
B. The cost of 3 pizzas is $14.
C. Each pizza costs $8 and the delivery fee is $3.
D. Each pizza costs $3 and the delivery fee is $8.
Answer: C
A1.2.1.2.2 Translate from one representation of a linear function to another (i.e., graph, table, and equation).
The table below shows values of y as a function of x.Which linear equation best describes the relationship between x and y?
A.y = 2.5x + 5
B. y = 3.75x + 2.5
C. y = 4x + 1
D. y = 5x
Answer: B
Additional Resources:
PDESES Algebra I Module 3 ResourcesExplore Learning Practice Problems